Before entering an enclosed space you must:

• Have obtained authorization to enter
• A National Grid representative must be present
• Have successfully completed training
• Conduct a hazard evaluation, including an air quality assessment and job brief
• Wear all appropriate personal protective equipment
• Have the necessary permits
• Have an attendant immediately available outside the space who is trained in non-entry rescue procedures, emergency notification, first aid, and CPR
• Establish a communication method to be used while in the enclosed space